Jacob Edward Peavy (born May 31, 1981) is an American former professional baseball pitcher, who is currently an on-air analyst for MLB Network.

While with the Padres, he won the 2007 NL Cy Young Award after recording the Pitching Triple Crown that year.

He is the second starting pitcher after Don Gullett to win two consecutive World Series championship titles with different teams, one in each league.

He is one of ten players in Major League history to have won back-to-back World Series championships titles on different teams (Joc Pederson, Ben Zobrist, Jack Morris, Bill Skowron, Clem Labine, Don Gullett, Allie Clark, Ryan Theriot, Will Smith).

[citation needed] Peavy pitched for the Arizona League Padres and the Idaho Falls Braves in 1999 and the Fort Wayne Wizards in 2000.

[1] Peavy was called up from Double-A to make his major league debut on June 22, 2002, against the New York Yankees at Qualcomm Stadium.

In his sophomore season, Peavy started 32 games (194.2 IP), with a 4.11 earned run average, a 12–11 record, and 156 strikeouts.

[citation needed] After the Padres won the National League West in 2005, Peavy missed the rest of the season with a broken rib, which he apparently suffered while celebrating.

[citation needed] In 2006, Peavy got off to a rocky start, in part due to mechanical adjustments brought on by various off-season injuries.

[citation needed] Peavy won the pitching Triple Crown in 2007, leading the National League with 19 wins, 240 strikeouts, and a 2.54 ERA.

The following day, still-images from FOX sports video feed from the game showed a dirty, brown substance on the index and middle fingers, along with his thumb.

[12] Peavy had been the subject of numerous trade rumors during the 2008 offseason,[13] amidst reports that the Padres were looking to reduce salaries and build on young players for the future.

[14] The Padres wanted the two top prospects in the organization as well, pitcher Tommy Hanson and outfielder Jordan Schafer, but after a few weeks, the Braves decided to move on to bring in a few free agents.

[citation needed] In spring training, Peavy pitched 14 total innings with no runs allowed, 10 strikeouts and no walks.

[15] He rejected a trade to the Chicago White Sox, which included Aaron Poreda and Clayton Richard, saying that remaining in San Diego was best for him and his family.

[16] On May 22, Peavy hurt his ankle rounding third base against the Chicago Cubs in a start where he earned the win with 6 scoreless innings and 10 strikeouts a day after rejecting a trade to the White Sox.

[17] In his first start for the White Sox, Peavy pitched 5 innings, giving up 3 runs (all earned), and striking out 5, getting the win against the Kansas City Royals.

[22] On October 30, 2012, Peavy signed a two-year, $29 million extension with a vesting option for 2015, keeping him with the White Sox at least through the 2014 season.

[23] On June 4, 2013, Peavy came out of a game against the Seattle Mariners in the fourth inning with a left rib fracture and was placed on the disabled list.

[28] On July 26, 2014, the Boston Red Sox traded Peavy to the San Francisco Giants along with cash considerations for pitching prospects Edwin Escobar and Heath Hembree.

[32] On August 30, 2014, in a 3–1 home win against the Milwaukee Brewers, Peavy struck out Aramis Ramírez for his 2,000th career strikeout, three days after teammate Tim Hudson got his.

[34] On October 29, 2014, Peavy won his second consecutive World Series ring, despite losing both his starts, after the Giants defeated the Royals, 3–2, in Game 7.

Peavy became the second starting pitcher after Don Gullett to win two consecutive World Series championship titles with two teams, one in each league.

He is one of ten players in Major League history to win back-to-back World Series championship titles on different teams.

(Will Smith, Joc Pederson, Ben Zobrist, Ryan Theriot, Jack Morris, Bill Skowron, Don Gullett, Clem Labine, and Allie Clark) On December 19, 2014, Peavy agreed to a two-year deal worth $24 million to stay with the Giants.

[35] He went on to play with San Francisco through the 2016 season; in his three years with the Giants he had a 19–19 record and 3.97 ERA, with 238 strikeouts and 78 walks in 308 innings pitched.

Peavy liked to run his fastballs in on lefties and make the pitch break back into the zone, similar to a power version of Greg Maddux's technique.

In 2008, Peavy bought a 5,000-acre (2,000 ha) ranch in Wilcox County, Alabama called Southern Falls Plantation.